How To Fix DMC_GENERAL451 - Provide a valid transfer type (1, 2, or 3); see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 451

• Message text: Provide a valid transfer type (1, 2, or 3); see long text

What causes this issue?

You use a transfer type to indicate whether the range or filter is used
for the initial load and replication, for the initial load only, or for
the replication only. You specify one of the following transfer types:
1 (Initial load and replication)
2 (Initial load only)
3 (Replication only)

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL451 - Provide a valid transfer type (1, 2, or 3); see long text ?

  The SAP error message DMC_GENERAL451 indicates that there is an issue with the transfer type specified in a data migration or data transfer process. This error typically arises when the transfer type provided is not valid or is missing. The valid transfer types are usually defined as follows:
  
  Transfer Type 1: This might refer to a specific type of data transfer, such as a direct transfer.
  Transfer Type 2: This could refer to another method of data transfer, such as a batch transfer.
  Transfer Type 3: This might indicate a different approach, such as a scheduled transfer.
  
  Cause:
  The error is caused by one of the following:
  
  An invalid transfer type is specified in the configuration or during the execution of the data transfer.
  The transfer type field is left blank or not populated correctly.
  There may be a mismatch between the expected transfer types in the system and what is being provided.
  
  Solution:
  To resolve the DMC_GENERAL451 error, you can take the following steps:
  
  
  Check Transfer Type: Ensure that the transfer type you are using is one of the valid options (1, 2, or 3). Refer to the documentation or configuration settings to confirm the correct values.
  
  
  Review Configuration: Go to the relevant configuration settings in your SAP system where the transfer type is defined. Make sure that the transfer type is correctly set up and that there are no typos or errors.
  
  
  Populate the Field: If the transfer type field is empty, make sure to populate it with a valid value before executing the data transfer.
  
  
  Consult Documentation: Check the SAP documentation or help files related to the specific data migration or transfer process you are working with. This may provide additional context on the expected values and their meanings.
  
  
  Test with Different Values: If you are unsure about the correct transfer type, try using different valid values (1, 2, or 3) to see if the error persists.
  
  
  Contact Support: If the issue continues after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  Related Information:
  
  SAP Notes: Look for SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered and resolved similar issues.
  Documentation: Review the official SAP documentation for the specific module or tool you are using for data migration or transfer, as it may contain relevant information about transfer types and their configurations.
  
  By following these steps, you should be able to identify and resolve the cause of the DMC_GENERAL451 error in your SAP system.